AD629 - Interacoustics

Instructions for Use – US

AD629

Science made smarter

D-0

0045

60-I

– 20

21/0

5

Table of Contents 1 INTRODUCTION ........................................................................................................................... 1

1.1 About this manual ............................................................................................................... 1 1.2 Intended use........................................................................................................................ 1 1.3 Product description ............................................................................................................. 2 1.4 Warning ............................................................................................................................... 2

2 UNPACKING AND INSTALLATION ............................................................................................ 3

2.1 Unpacking and Inspection ................................................................................................... 3 2.2 Marking ................................................................................................................................ 4 2.3 General warnings and precautions ..................................................................................... 5 2.4 Malfunction .......................................................................................................................... 6

3 GETTING STARTED - SETUP AND INSTALLATION ................................................................. 7

3.1 Back panel external connections – standard accessories .................................................. 8 3.2 PC-Interface ........................................................................................................................ 8 3.3 Patient communication and monitoring ............................................................................... 9

Talk Forward ............................................................................................................. 9 Talk Back ................................................................................................................ 9 Monitoring ................................................................................................................ 9

3.4 Operating instructions ....................................................................................................... 10 3.5 Tests screens and function key descriptions .................................................................... 14

Tone test .............................................................................................................. 15 Stenger Test ........................................................................................................... 15 ABLB - Fowler test .................................................................................................. 16 Tone in noise test (Langenbeck Test) .................................................................... 16 Weber .............................................................................................................. 17 Speech test ............................................................................................................. 18

Speech – CH2On .................................................................................. 20 Speech in noise .................................................................................... 20

3.6 Setup ................................................................................................................................ 27 Instrument setup ..................................................................................................... 28 Common settings .................................................................................................... 28 Tone setting ............................................................................................................ 30 Speech settings ...................................................................................................... 31 Auto settings ........................................................................................................... 32 Sessions and clients ............................................................................................... 32

Save session ......................................................................................... 33 Clients ................................................................................................... 33

3.7 Printing .............................................................................................................................. 34 3.8 AD629 stand alone unit, print logo update ........................................................................ 34 3.9 Diagnostic suite ................................................................................................................. 36

Instrument setup ..................................................................................................... 36 SYNC mode ............................................................................................................ 37 The SYNC tab ......................................................................................................... 37 Client upload ........................................................................................................... 37 Session download ................................................................................................... 38

3.10 Hybrid (online/PC-controlled) mode .................................................................................. 39 3.11 About Diagnostic Suite ...................................................................................................... 40

4 MAINTENANCE .......................................................................................................................... 41

4.1 General maintenance procedures ..................................................................................... 41 4.2 How to clean Interacoustics products ............................................................................... 42 4.3 Concerning repair .............................................................................................................. 42 4.4 Warranty ............................................................................................................................ 42

5 GENERAL TECHNICAL SPECIFICATIONS .............................................................................. 45 5.1 Reference equivalent threshold values for transducers .................................................... 49 5.2 Maximum hearing level settings provided at each test frequency .................................... 49 5.3 Pin assignments ................................................................................................................ 49 5.4 Electromagnetic compatibility (EMC) ................................................................................ 49

D-0004560-I – 2021/05 AD629 - Instructions for Use - US Page 1

1 Introduction 1.1 About this manual This manual is valid for the AD629. These products are manufactured by:

Interacoustics A/S Audiometer Allé 1 5500 Middelfart Denmark Tel.: +45 6371 3555 Fax: +45 6371 3522 E-mail: [email protected] Web: www.interacoustics.com

1.2 Intended use The AD629 audiometer is designed to be a device for diagnosing hearing loss. Output and specificity of this type of device are based on the test characteristics defined by the user, and may vary depending on environmental and operating conditions. The diagnosing of hearing loss using this kind of diagnostic audiometer depends on the interaction with the patient. However, for patients not responding well possibilities of various tests allow the tester to have at least some evaluative result. Thus, a “normal hearing” result should not allow for ignoring other contra indications in this case. A full audiologic evaluation should be administered if concerns about hearing sensitivity persist. The AD629 audiometer is intended to be used by an audiologist, hearing healthcare professional or trained technician in an extremely quiet environment according to the ISO standard 8253-1. This instrument is intended for all patient groups regarding sex, age and health.Careful handling of the instrument whenever in contact with a patient should be of high priority. Calm and stable positioning while testing is preferred for optimal accuracy.

http://www.interacoustics.com/


1.3 Product description The AD629 is a 2 channel clinical audiometer offering air, bone, speech and free field line output. It offers a wide range of clinical test features such as high frequency, SISI, etc.

1.4 Warning Throughout this manual, the following meaning of warnings, cautions and notices are used:

Included parts DD45 Audiometric headset B71 Bone conductor APS3 Patient response button Goose neck microphone Power cable Operation manual CD Multilingual CE instructions for use

Optional parts Diagnostic Suite software OtoAccess® database 21925 Amplivox audiocups, noise reducing headset Carrying case (Standard or Trolly Style) EARTone3A/5A Audiometric insert phones IP30 Audiometric insert phones HDA300 Audiometric headset with double mono 6.3mm jack TDH39 Audiometric headset DD450 Audiometric headset DD65v2 Audiometric headset Talk back microphone Sound field speakers SP90 (with external power amp) AP12 Power Amplifier 2x12 Watt AP70 Power Amplifier 2x70 Watt

WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION, used with the safety alert symbol, indicates a hazardous situation which, if not avoided, could result in damage of the equipment.

NOTICE NOTICE is used to address practices not related to personal injury or damage of the equipment.


2 Unpacking and installation 2.1 Unpacking and Inspection Check box and contents for damage When the instrument is received please check the shipping box for rough handling and damage. If the box is damaged it should be kept until the contents of the shipment have been checked mechanically and electrically. If the instrument is faulty please contact your local distributor. Keep the shipping material for the carrier’s inspection and insurance claim. Keep carton for future shipment The AD629 comes in its own shipping carton, which is specially designed for the AD629. Please keep this carton. It will be needed if the instrument has to be returned for service. If service is required please contact your local distributor. Reporting Imperfections Inspect before connection Prior to connecting the product it should once more be inspected for damage. All of the cabinet and the accessories should be checked visually for scratches and missing parts. Report immediately any faults Any missing part or malfunction should be reported immediately to the supplier of the instrument together with the invoice, serial number, and a detailed report of the problem. Together with his manual you will find a "Return Report" where you can describe the problem. Please use "Return Report" Please realise that if the service engineer does not know what problem to look for, he may not find it, so using the Return Report will be of great help to us and is your best guarantee that the correction of the problem will be to your satisfaction. Storage If you need to store the AD629 for a period, please ensure it is stored uder the conditions specified in the section for technical specifications:


2.2 Marking The following marking can be found on the instrument:

Symbol Explanation Type B applied parts.

Patient applied parts that are not conductive and can be immediately released from the patient.

Follow the instruction manual

WEEE (EU-directive) This symbol indicates that when the end-user wishes to discard this product, it must be sent to separate collection facilities for recovery and recycling.

0123

The CE-mark indicates that Interacoustics A/S meets the requirements of Annex II of the Medical Device Directive 93/42/EEC. TÜV Product Service, Identification No. 0123, has approved the quality system.

Medical device

Year of manufacture

Do not re-use Parts like ear-tips and similar are for single use only

Display Port Connection – HDMI type


2.3 General warnings and precautions

External equipment intended for connection to signal input, signal output or other connectors shall comply with relevant IEC standard (e.g. IEC 60950 for IT equipment). In these situations an optical isolator is recommended to fulfill the requirements. Equipment not complying with IEC 60601-1 shall be kept outside the patient environment, as defined in the standard (usually 1.5 meter). If in doubt, contact qualified medical technician or your local representative. This instrument does not incorporate any separation devices at connections for PC’s, printers, active speakers etc. (Medical Electrical System) When the instrument is connected to a PC and other items of equipment of a medical electrical system assure that the total leakage current cannot exceed the safety limits and that separations have the dielectric strength, creepage clearances and air clearances required fulfilling the requirements of IEC/ES 60601-1. When the instrument is connected to a PC and other similar items be aware of not touching the PC and patient simultaneously To avoid the risk of electric shock, this equipment must only be connected to supply mains with protective earth.Do not use any additional multiple socket-outlet or extension cord. This instrument contains a coin-type lithium battery. The cell can only be changed by service personnel. Batteries may explode or cause burns, if disassembled, crushed or exposed to fire or high temperatures. Do not short-circuit. No modification of this equipment is allowed without Interacoustics’ authorization. Interacoustics will make available on request circuit diagrams, component part lists, descriptions, calibration instructions, or other information that will assist service personnel to repair those parts of this audiometer that are designated by the Interacoustics as repairable by service personnel

Never insert or in any way use the insert headset without a new clean non defect test tip. Always make sure that foam or ear-tip is mounted correctly. Ear tips and foam are single use. The instrument is not intended to be used in environments exposed to fluid spills. It is recommended that the disposable foam ear tips supplied with the optional EarTone5A insert transducers are replaced after each patient tested. Disposable plugs also insure that sanitary conditions exist for each of your patients, and that periodic cleaning of a headband or cushion is no longer required.


• The black tubing protruding the foam ear tip is attached to the sound tube nipple of the insert transducer.

• Roll the foam tip into the smallest possible diameter. • Insert into the ear canal of the patient. • Hold the foam tip until expanded and a seal is achieved. • After testing the patient the foam tip including the black tubing is detached from the sound tube

nipple. • The insert transducer should be examined prior to attaching a new foam tip.

The instrument is not intended to be used in oxygen rich environments or use in conjunction with flammable agents

NOTICE To prevent system faults take appropriate precautions to avoid PC viruses and similar.

Use only transducers calibrated with actual instrument. To identify a valid calibration, the serial number for the instrument will be marked on the transducer. Although the instrument fulfils the relevant EMC requirements precautions should be taken to avoid unnecessary exposure to electromagnetic fields, e.g. from mobile phones etc. If the device is used adjacent to other equipment it must be observed that no mutual disturbance appears.Please also refer to EMC concideration in the appendix.

Within the European Union it is illegal to dispose electric and electronic waste as unsorted municipal waste. Electric and electronic waste may contain hazardous substances and therefore has to be collected separately. Such products will be marked with the crossed-out wheeled bin shown below. The cooperation of the user is important in order to ensure a high level of reuse and recycling of electric and electronic waste. Failing to recycle such waste products in an

appropriate way may endanger the environment and consequently the health of human beings. To prevent system faults take appropriate precautions to avoid PC viruses and similar. 2.4 Malfunction

In the event of a product malfunction, it is important to protect patients, users, and other persons against harm. Therefore, if the product has caused, or potentially could cause such harm, it must be quarantined immediately. Both harmful and harmless malfunctions, related to the product itself or to its use, must immediately be reported to the distributor where the product was acquired. Please remember to include as many details as possible e.g. the type of harm, serial number of the product, software version, connected accessories and any other relevant information. In case of death or serious incident in relation to the use of the device, the incident must immediately be reported to Interacoustics and the local national competent authority.


3 Getting started - setup and installation

The following shows an overview of the AD629:

The top left part of the AD629 (display holder) contains monitor speaker. The left side of the instrument contains two mini jack connectors for a microphone and a headphone – or a headset. This is used for talkback headphone/speaker (TB) and talk forward microphone (TF). A goose neck microphone can be plugged into the top part of the instrument just above the Talk Forward button. This can be used for talk forward. When not plugged in the goose neck microphone can be placed underneath the display. Please refer to the section about patient communication for more details. The upper right side of the instrument holds the on/off switch of the instrument. Make sure that the audiometer is placed so that the patient cannot see/hear of the clinician uses the instrument

Back Panel - connectors

Microphone and Headphone (Headset) mini jacks

Power on/off

Front Panel display &

buttons/dials

Talk forward

mic.

Monitorspeaker


3.1 Back panel external connections – standard accessories The back panel contains all the rest of the main connectors (sockets):

Special notes:

• In addition to the standard DD45 headset, four other air conduction transducers may be used (they all connect to specific outputs on the AD629):

• HDA300: High Frequency requires a HF headset • CIR33 for insert masking: Insert phone CIR33 for insert masking has a limited sound

quality, making it only adequate for masking noise presentation. • EAR-Tone 3A or 5A general purpose insert phone: Insert headphone EAR-Tone 3A or

5A are high quality transducers that may be used instead of the DD45/TDH39. It improves cross hearing from the normal approximately 40dB of the TDH39 to approximately 70dB. Masking as well as avoiding over-masking is thus easier with this type of headphone.

• IP30 insert phone is the standard insert phone with same properties as EAR-Tone 3A • The LAN connection is currently not used for any application (only internally in production) • Mic 2: Please refer to the section about Patient Communication (Talk Forward and Talk Back) • CD-input: It is required that any attached CD-player has a linear frequency response in order to

comply with the requirements of IEC 60645-2 • USB connections is used for:

• PC connection to Diagnostic Suite (the large USB connector) • Direct print • PC-keyboard (for entering client names)

3.2 PC-Interface Please refer to the Diagnostic Suite operation manual regarding hybrid mode (on-line and PC-operated mode) as well as patient/session data transfer. NOTICE: As a part of data protection, ensure to be compliant to all the following points: 1. Use Microsoft supported operating systems 2. Ensure operating systems are security patched 3. Enable database encryption 4. Use individual user accounts and passwords 5. Secure psychical and network access to computers with local data storage 6. Use updated antivirus and firewall and anti-malware software 7. Implement appropriate backup policy 8. Implement appropriate log retention policy

4 USB A connectors for printer , mouse keyboard and memory stick

Standard Headphones

DD45/TDH39/HDA300/ DD65v2

Bone conducto

r B71

Patient Response Switch

For Talk Back Mic.

USB B Connector for PC connection

Power connector

LAN (for future use)

Free Field 1 and 2

(external amplification)

Insert Phone

EarTone 3A / IP30

Insert maskin

g

Extra Talk forward

mic., e.g. for table

mic.

External CD / MP3 input


3.3 Patient communication and monitoring

Talk Forward Talk Forward is activated by the “Talk Forward” button (21). AD629 contains three microphone connectors which will work in the following priority (depending on which one(s) is connected): • Priority 1: The mini jack in the left side of the instrument – can be used with a headset together with

the headphone connector. This has the first priority. • Priority 2: The swan neck microphone (1) of the AD629 is located above the “Talk Forward” (21)

button. If no mic. is connected to the priority 1 mic., this with be used.

The image below will be shown while the talk forward (21) is active (by hold the button down) where the calibration (gain) level and intensity level for patient communication can be adjusted. To change the calibration level the clinician would adjust the HL dB dial (41) to the appropriate level. To adjust the Intensity level the dial in channel 2 (43) would be used.

Talk Back

The operator may use Talk Back (28) in one of the following ways: • If no headphone is connected to the Talk Back (left side connector), the voice is wired through

the Talk Back speakers next to the display (2). • If a headphone/headset is connected to the instrument, talk back will come through this instead.

To adjust the TB level, hold down the TB button and use left/right totary wheels to adjust the level.

Monitoring Monitoring of channel 1, 2 or both channels together is available by selecting the “Monitor” button (27) once, twice or three times. Selecting it a fourth time will switch off the monitoring function again. To adjust the monitor levels, hold down the monitor button and use left/right rotary wheels to adjust the level.

Selecting desired way of listening: The monitor signal will be available through the monitor headset if connected, the internal monitor speaker.


3.4 Operating instructions The figure below shows the outline of the front plate of the AD629 including buttons, dials and display:

The following table describes the functions of the various buttons and dials. Name(s)/Function(s) Description

1 Microphone For live voice speech and talk forward instruction to the patient in

the test cabin.

2 Talk back Speaker For speech feedback from the patient in the test cabin.

3 Color Display Screen

For displaying the different test screens. Will be further explained in the sections describing the individual tests.

4 Tone and Response Indicator

Indication light seen when a tone is presented to the patient. Indication light seen when the patient activates the patient signal using the patient response.

5 Channel 1 Indicates intensity level for channel 1, e.g.:

(21)

(4)

(3)

(5)

(15) (16)

(7

(8

(9

(10) (11) (12) (13) (14

(17)

(18) (19) (20) (22) (23) (24) (25) (26) (27) (28)

(29) (30) (31) (32) (33) (34) (35) (36)

(37) (38)

(39) (40) (41) (43)

(42)

(2)

(6)

(1)


6 Masking / Channel 2 Indicates masking or Intensity level for channel 2, e.g.:

7-14 Function Keys These keys are context sensitive and depend on the selected test screen. Will be further explained in the sections describing the individual tests .

15 Shift The shift function will enable the clinician to activate the sub functions written in italic underneath the buttons.

16 Temp Setup Allows the clinician to make temporary changes in certain settings within each test. To save the changes as default (for the next

session) press “Shift (15)” and then (14). Choose between the different settings using the right rotary wheel (43). Change the individual settings using the left rotary wheel (41).

17 Setup / Tests

The common setting menu can be accessed for more specific tests and changes to general settings can be made. This is also where the special tests are accessed: Auto tests (HW, Békésy), MHA, SISI. To save the changes as default (for the next session) press

“Shift (15)” and then (14). Choose between the different settings using the right rotary wheel (43). Change the individual settings using the left rotary wheel (41).

18 Delete / del curve

Delete points during testing delete. Delete the entire test curve of a graph by holding “Shift (15)” together with this button.

19 Save Session/ New Session

Saving a session after testing or alternatively add a new session by holding the “Shift (15)” together with this button. (A new session will recall the default settings saved in 16 and 17)

20 Print Allows results to be printed directly after testing (via a supported USB printer).

21 Talk Forward Instruction to the patient directly through his headphones via the microphone can be given. The intensity changes by turning the “HL dB” (41) while holding the “Talk Forward” button.

22 Tone / Warble Pure tones or warble tones can be chosen as stimuli by activating this button once or twice. The stimuli chosen will be shown on the display, e.g.:

23 Wavefile Enables one to perform speech testing using loaded wavefiles, i.e. pre-recorded speech material. Please see setup under Temp Setup (15). Requires installation of speech material.

24 Mic For live speech testing through the microphone (1). The VU meter can be seen on the display screen. Adjust the microphone gain by holding down the Mic button for one second.


25 1 CD 2 By pressing this function once or twice it is possible to have recorded speech in either channel 1 or channel 2 separately. Adjust the gain of CD 1 and 2 by holding down the CD button for one second.

26 Ext Range Extended Range: Usually the maximum output is e.g. 100dB but if a higher output e.g. 120 dB is needed then “Ext Range” can be activated when reaching a certain level.

27 Ch 1 Monitor 2 With the activation of this button, presentation to the patient from e.g. CD can be heard through the built in monitor of the AD629 or monitor headset in both channel 1 or 2. Adjust the gain by holding down the button for one second.

28 Talk Back Talk back, when active allows the clinician to hear comments or responses from the patient through the AD629 or monitor headset. Adjust the gain by holding down the button for one second.

29 Right / Insert For selecting the right ear during testing. Insert phones for the right ear can be activated by pressing twice.

30 Left / Insert For selecting the left ear during testing. Insert phones for the left ear can be activated by pressing twice.

31 R Bone L For bone conduction testing. • First push: selects the right ear for testing. • Second push: selects the left ear for testing.

32 1 FF 2 Pressing “1 FF 2” will select free field speaker as output for Channel

1. • First push: Free Field speaker 1 • Second push: Free Field speaker 2

33 Man / Rev Manual / Reverse tone presentation modes:

• First push: Manual tone presentation each time “Tone Switch” (42) is activated.

• Second push: The reverse function- continuous tone presentation which will be interrupted each time “Tone Switch” (42) is activated.


34 Single / Multi Pulsing modes: • First push: the tone presented will have a pre-set length

when “Tone Switch” is activated. (Set up in the “Setup/Tests” (17)).

• Second push: the tone will be pulsing continuously. • Third push: returns back to normal mode.

35 Mask On/Off Masking channel on/off:

• First push: turns masking on • Second push: turns masking off

36 Sync This allows the masking attenuator to the tone attenuator to be

activated. This option is used for e.g. synchronous masking.

37 Store Use this function to store test thresholds / results.

38 No Resp Use this function if the patient has shown no response to stimuli.

39 Down / Incorrect Used to decrease the frequency level. The AD629 has an incorporated automatic speech score counter. Therefore as a second function you can use this button as an “Incorrect” button when performing speech tests. For automatic speech score counting while testing speech push this button after each word not heard correctly by the patient.

40 Up / Correct Used to increase the frequency level. The AD629 has an incorporated automatic speech score counter. Therefore as a second function you can use this button as a “Correct” button when performing speech tests. For automatic speech score counting while testing speech push this button after each word heard correctly by the patient.

41 HL db Channel 1 This allows for the adjusting of the intensity in channel 1 shown at (5) in the display.

42 Tone Switch / Enter Used for tone presentation where the “Tone” light (4) will show. Can also be used as “Enter” (selection) button.

43 Masking Channel 2 Adjust the intensity level in channel 2 or masking levels when masking is used. Shown at (6) in the display.


3.5 Tests screens and function key descriptions The following tests are available from the Test (20) button. Use rotary wheels (57)/(58) to select the individual test screen:

• Tone • Stenger • ABLB – Fowler • Tone in noise – Langenbeck • Weber • Speech • Auto – Hughson Westlake • Auto – Békésy • QuickSIN – Quick speech in noise • SISI – Short increment sensitivity index • MHA – Master Hearing Aid • HLS – Hearing Loss Simulater

The (optional) HF (High Frequency) / HFz (High Frequency Zoom) test features are activated from the Tone Screen – i.e. as extentions to the Tone audiogram test screen. Please note that the tests available in this list depend on the test licenses installed on the instrument. This may also vary from country to country.


Tone test The Tone test screen is used for pure/warble tone audiometry via normal head phones or insert phones, bone conduction, free field audiometry, multi frequency (optional test) as well as high frequency/high frequency zoom (optional). When using Bone conduction, masking must be applied to obtain correct results.

Function Key Description 10 Only available if High Frequency is available (optional license) on the

instrument. Selects the HF phone connected to the separate HF connectors.

11 12

Choose between HL, MCL and UCL by holding the Function Key (10) and select the required measuring type by using one of the rotary wheels (56)/(57).

Not used in this test screen.

13 Switch between magnified top bar and normal sized top bar.

14 View the masking levels (dual audiogram mode only).

15 Multi frequency (optional MF license)

16 High Frequency (optional HF license)

17 High Frequency Zoom (optional HF license)

Stenger Test The Stenger test is a test when a patient is suspected of feigning/faking a hearing loss and is based on the auditory phenomenon, “The Stenger Principle”, that states that only the louder of two similar tones presented to both ears at the same time will be perceived. As a general rule it has been recommended to perform the Stenger test in case of unilateral hearing losses or significant asymmetries. Please refer to the Tone Test section above for key function descriptions for Function Keys (10), (13), (14), (15), (16), (17).


ABLB - Fowler test ABLB (Alternate Binaural Loudness Balancing) is a test to detect perceived loudness differences between the ears. The test is designed for people with unilateral hearing loss. It serves as a possible test for recruitment. The test is performed at frequencies where recruitment is presumed. The same tone is presented alternatively to both ears. The intensity is fixed in the impaired ear (20 dB above pure tone threshold). The task of the patient is to adjust the level of the better ear until the signal in the two ears is of equal intensity. Note however that the test may also be performed by fixing the intensity in the normal hearing ear and having the patient set the tone for the impaired ear.

Please refer to the Tone Test section above for key function descriptions for Function Keys (10), (13), (14), (15), (16), (17).

Tone in noise test (Langenbeck Test) Please refer to the Tone Test section above for key function descriptions for Function Keys (10), (13), (14), (15), (16), (17).


Weber The Weber test distinguished between conductive and sensorineural hearing loss through use of a bone conductor. Use the indications to show where the tone is perceived. If the patient hears the tone better in the poorer ear the hearing loss is conductive, and the tone is heard better in the better ear the hearing loss is sensorineural at the given frequency.

The symbols for Weber correspond with the soft buttons:

Percieved right Percieved center Percieved left Not heard No reaction


Speech test Speech testing can be done via pre-recorded wave files (26) (if installed), microphone (27) or CD input (28). Most people acquire hearing aids because they themselves or their relatives report that they have trouble hearing speech. Speech audiometry has the advantage of othe ars speech signals and is used to quantify the patient‟s ability to understand everyday communication. It examines the patient‟s processing ability in relation to their degree and type of hearing loss which can vary greatly between patients with the same hearing loss configuration. Speech audiometry can be performed using a number of tests. For example, SRT (Speech Reception Threshold) refers to the level at which the patient can repeat 50% of the presented words correctly. It serves as a check of the pure tone audiogram, gives an index of hearing sensitivity for speech and helps determine the starting point for other supra-threshold measures such as WR (Word Recognition). WR is sometimes also referred to as SDS (Speech Discrimination Scores) and represents the number of words correctly repeated expressed as a percentage. Note that there is a predictable relationship between the patients pure tone threshold and speech threshold. Speech audiometry may therefore be useful as a cross-check of the pure tone audiogram.

The speech screen set up in graph mode using live voice/MIC (27) - under Setup (19). Hold in the Mic (27) and CD (28) button in to adjust the live voice or CD input level. Adjust the levels for the until you reach an average of approximately 0 dB VU on the VU meter. NOTICE If the speech and calibration signal are not the same level, it must be manually corrected.


The speech screen set up in table mode using wave files (26) - under Setup (19). Function Key Description 10 Only available if High Frequency is available (optional license) on the


11 Choose between HL, MCL and UCL by holding the Function Key (10) and select the required measuring type by using one of the rotary wheels (56)/(57).

12 The condition under which the speech test is done: None, Aided, Binaural or Aided & Binaural.

13 Switch between magnified top bar and normal sized top bar. 14 Use the HL dB dial (57) to select the different items from the lists:

15 Different lists can be changed in the “List” option. Use the HL dB dial (57) to select the different items from the lists.

16 Start playing the wave files.

17 Stop playing the wave files. When the Wavefile test is started, the F-buttons will change to recording mode. In recording mode, if the protocol has been set to continue/timeout after the word has been played, the word will be grey colored, waiting for the operator’s input. The input can either be Corret(56) / Incorrect(55) on the keyboard or by using the Phoneme score on the F-buttons. The tested can be paused on the play/pause button. If the recording mode has been set to manual, the words can be selected, one by one, by using the forward/reverse button on the F-buttons, press play to play the word.


When the word-list is completed or another track has to be selected, use the End F-button to leave the recording mode.

Play / Pause

Forward / Reverse

Stop Track Phoneme score 0-4

Speech – CH2On This test screen is the same as for speech. When in Speech – Ch2On, the speech material is presented binaurally.

Speech in noise This test screen is the same as for speech. When in Speech in noise, the speech material and speech in noise is presented in the same ear.


Hughson-Westlake Test Hughson Westlake is an automatic pure tone test procedure. The threshold of hearing is defined as 2 out of 3 (or 3 out of 5) correct responses at a certain level in a 5dB increase and a 10dB decrease test procedure.

Function Key Description 10 Show traces

11 Select othe ars21y

12 Test high frequencies

15 Single Freq test

16 Start test. Tests all frequencies.

17 Stop test.


Békésy test Békésy is a type of automatic audiometry. It is diagnostically important from the classification of the results into one of the five types (after Jerger, et al) when responses to continuous and pulsed tones are compared. The Békésy test is a fixed frequency test. Pure tone or narrow band noise can be selected. As a standard a continuous tone is selected for the Békésy test, if pulsing tones are preferred this can be changed by pressing “Settings” (19) and changing continuous to pulse.

Please refer to the HW Test section above for key function descriptions for Function Keys (10), (11), (12), (16), (17).


QuickSIN test Difficulty with hearing in background noise is a common complaint among hearing aid users. Therefore, the measurement of SNR loss (signal-to-noise ratio loss) is important because a person’s ability to understand speech in noise cannot be reliably predicted from the pure tone audiogram. The QuickSIN test was developed to provide a quick estimate of SNR loss. A list of six sentences with five key words per sentence is presented in four-talker babble noise. The sentences are presented at pre-recorded signal-to-noise ratios which decrease in 5-dB steps from 25 (very easy) to 0 (extremely difficult). The SNRs used are: 25, 20, 15, 10, 5 and 0, encompassing normal to severely impaired performance in noise. For more information please refer to Etymotic Research’s QuickSINTM Speech-in-Noise Test manual, version 1.3.

Function Key Description

10 Only available if High Frequency is available (optional license) on the instrument. Selects the HF phone connected to the separate HF connectors.

16 Different lists can be changed in the “List” option. Use the HL dB dial (57) to select the different items in the lists.

17 Start QuickSIN test


SISI test SISI is designed to test the ability to recognise 1 dB increase in intensity during a series of bursts of pure tones presented 20 dB above the pure tone threshold for the test frequency. It can be used to differentiate between cochlear and retrocochlear disorders as a patient with a cochlear disorder will be able to perceive the increments of 1 dB, as where a patient with a retrocochlear disorder will not.

Function Key Description 10

Only available if High Frequency is available (optional license) on the instrument. Selects the HF phone connected to the separate HF connectors.

11 Amplitude Modulation

16 Start SISI test.

17 Stop SISI test.


Master hearing aid test MHA is a hearing aid simulator that consists of three high pass filters of -6 dB, -12 dB, -18 dB per octave and a HFE filter (High Frequency Emphasis) equivalent to -24 dB per octave through the audiometric headphones. This gives a sense of the benefits of a hearing aid and what could eventually be gained by getting properly fitted hearing aids. The filters can be activated individually on both channels enabling the audiometer to serve as a 2 channel master hearing aid.



11 Filter channel 1

12 Filter channel 2

15 If MHA/HIS wave file is installed they can be selected here.

16 Start MHA test

17 Stop MHA test MHA/HIS wave files can be installed the following way:

1. Zip the selected wave files into a file named “update_mha.mywavefiles.bin” (make sure the file extension is bin and not zip)

2. Copy the files to a newly FAT32 formated USB memory stick 3. Insert the stick into one of the USB connections on the AD629. 4. Go to Common Setup and press “Install” 5. Wait for the installation to complete. 6. Restart the AD629.


Hearing loss simulation test The HLS offers a simulation of the hearing loss through the audiometric headphones or the high frequency headset and is primarily aimed at the family members of the hearing impaired. It is a valuable tool as a hearing loss in many families may result in frustrations and misunderstandings. Knowing what the hearing loss actually sounds like gives an impression of what the hearing impaired goes through every day.



11 Right channel on.

12 Left channel on.

13 Select which audiogram data to use for the HLS test.

15 If MHA/HIS wave file is installed they can be selected here.

16 Start HLS test

17 Stop HLS test The HIS test uses the same wave files as the MHA test screen and is installed in the same way. Please see above.


3.6 Setup Allows the clinician to make changes in certain settings within each test and to change the common settings for the instrument. A single push will by default enter the selected Test Settings menu. To enter other settings menus, hold the “Setup” button and use on of the rotary wheels (57)/(58) to select:

To save the settings use “Save all settings as...”. To use another user setting (protocol/profile) use “Load user settings: ‘name of user setting’....”. Inside a settings menu, choose between the different settings using the right rotary wheel (58). Change the individual settings using the left rotary wheel (57). Here an example from the Tone settings dialogue where “Aided” is in focus:

For a detailed description of the setting dialog, please refer to AD629 Quick Guides found here: http://www.interacoustics.com/ad629

http://www.interacoustics.com/ad629


Instrument setup The screen shot below shows the instrument settings menu:

Common settings The screen shot below shows the common settings menu:


In Common Setup, “Shift+Setup” opens the following About box:

Function keys

Description

10 Select client list.

11 /

Install new firmware or wave files from USB stick. Uninstall items. Use shift to activate this.

16 Go back.

17 Save user setting (protocol)

New audiometric symbol schemes are installed via the Diagnostic Suite under General Setup. The same applies to the clinic logo shown on the direct printout.


Tone setting The screen shot below shows settings for pure tone testing:

Function key

Description

10 Show settings for the speech banana.

16 Go back.



Speech settings The screen shot below shows settings for Speech testing:

Function key

Description

10 Phonem norm curve settings.

11 FF norm curve setting.

16 Go back.



Auto settings

Function key

Description

16 Go back.


Sessions and clients Save a session (22) after testing or alternatively create a new session by holding “Shift” (18) and pressing the “Save Session” button. In the “Save Session” (22) menu it is possible to save sessions, delete and create clients and edit client names.


Save session

Function keys

Description

10 Delete the selected client.

11 Edit the selected client.

12 Create new client.

16 Return to the session.

17 Save session under the selected client.

Clients

Function keys

Description

10 Delete the selected client.

16 Return to the session.

17 Access the sessions saves under the selected client.


3.7 Printing The data from the AD629 can be printed in two ways:

• Direct printout: Allows results to be printed directly after testing (via a supported USB printer The printout logo can be configured via the audiometer itself (see below) or via the Diagnostic Suite (in the General Setup a logo impage can be downloaded to the instrument from the PC).

• PC: Measurements can be transferred to the Diagnostic Suite PC program (see separate operational manual) and printed via this. This allows printouts to be fully customized via the Print Wizard. It also allows for combined printouts – e.g. together with the AT235 or Titan Middle Ear Anlyzers.

3.8 AD629 stand alone unit, print logo update 1. Open up the “Paint” program 2. Open up “Image Properties”, by pushing the Ctrl + E keys

3. Set the “Width” to 945 and the “Height” to 190 as shown. Click on “OK” 4. Edit the Image and the Company data to fit inside the set area 5. Save the created file as “PrintLogo.bmp” 6. Zip the “PrintLogo.bmp” file to the following name “update_user.logo.bin”

The “update_user.logo.bin” file is now ready to be used 7. Find a USB thumb drive with at least 32MB in total size and insert it into your PC 8. Go to My Computer and right click on the USB thumb drive and select ‘Format’ **Note-this

will erase everything on your USB thumb drive* 9. Ensure that ‘FAT32 is selected as your File System- Leave other settings as listed

10. Click Start-depending on the size of your thumb drive these may take a while. When the format is complete you will receive a pop-up indicating it has formatted successfully


11. Copy “update_user.logo.bin” file onto the formatted thumbdrive 12. It is very important that this file and only this file is present on the USB thumb drive 13. With the audiometer turned off insert the thumb drive into any available USB port 14. Turn on the instrument and push the Temp/Setup Button from the Tone test screen 15. Enter “Common Settings” using the Setup/Tests Button 16. For the question “Do you want to install” press the “Yes” button 17. After installation is completed, press the “Back” button to get to the testing screen


3.9 Diagnostic suite This section describes the data-transfer and hybrid mode (On-Line / PC-operated modes) supported by AD629.

Instrument setup The setup is similar to that described in the previous chapter for audiometric data transfer.

Important: Please be sure to selected the “AD629 (version 2)” (and not “A D629”, which refers to the old version). PC controlled instrument: Unselect this if you want to run the AD629 as a standalone audiometer (i.e. not as a hybrid audiometer) but still being connected to the Diagnostic Suite. When pressing Save Session on the instrument, the session will automatically be transferred to the Diagnostic Suite. See below section “Sync Mode”.

Upload Print Logo and Audiogram Symbols to AD629: A logo for direct print outs can be transferred to the AD629 using the “Up Print Logo” button. The symbol scheme used in the Diagnostic Suite can be transferred to the AD629 (when viewing the build in audiogram) by using the “Upload Custom Symbols” button. Please refer to the AD629 operational manual for info on how to change the symbol scheme on the AD629.


SYNC mode One click data transfer (Hybrid Mode disabled) If the “PC controlled instrument” setting in the General Setup (see above) is deselected, the current audiogram will be transferred to the Diagnostic Suite as follows: When pressing Save Session on the instrument, the session will automatically be transferred to the Diagnostic Suite Start the suite with device connected.

The SYNC tab If several sessions are stored on the AD629 (under one or more patients), the Sync tab must be used. The screen shot below shows the Diagnostic Suite with the SYNC tab open (underneath the AUD and IMP tabs in the upper right corner).

The SYNC tab provides the following possibilities:

Client upload is used for uploading clients from the database (Noah or OtoAccess) to the AD629. The internal AD629 memory can hold up to 1000 clients and 50.000 sessions (audiogram data). Session download is used to download sessions (audiogram data) stored in the AD629 memory into to Noah, OtoAccess or XML (when running Diagnostic suite without a database).

Client upload The following screen shot shows the client upload screen:

• On the left side it is possible to search for the client in the database to transfer to the database

using different search criteria. Use the “Add” button to transfer (upload) the client from the database to the internal AD629 memory. The internal AD629 memory can hold up to 1000 clients and 50.000 sessions (audiogram data)

• On the right side the clients currently stored on the internal AD629 memory (hardware) is down. It is possible to remove all clients for individual clients using the “Remove all” or “Remove” buttons.


Session download The following scree shot shows the session download screen:

When pressing the icon the functionality of the “Session download” screen is described:


3.10 Hybrid (online/PC-controlled) mode The following screen shots show the Diagnostic Suite AUD tab when running AD629 in “hybrid mode”.

This mode allows for the AD629 to be “on-line” connected to the PC – i.e. a trued hybrid audiometer:

• Operate the unit via a PC and • Operate the PC via the unit

The AC440 operational manual (found on www.interacoustics.com/Equinox) explains in more detail how the AUD module works when running it in hybrid mode. Please note that the AC440 manual is covering the full clinical AC440 module for the Equinox and Affinity PC-based audiometers, so some features will not be present in the AD629 Diagnostic Suite AUD module. The protocol settings of the Diagnostic Suite AUD module can be modified under the AC440 setup:

’

http://www.interacoustics.com/Equinox


3.11 About Diagnostic Suite Should you go to Menu > Help > About then you will see the below window. This is the area of the software where you can manage license keys and check your Suite, Firmware and Build Versions.

Also in this window you will find the Checksum section which is a feature designed to help you identify the integrity of the software. It works by checking the file and folder content of your software version. This is using an SHA-256 algorithm. On opening the checksum you will see a string of characters and numbers, you can copy this by double clicking on it.


4 Maintenance 4.1 General maintenance procedures It is recommended that routine check procedures are carried out weekly in full on all equipment in use. Check 1-9 outlined below should be followed on the equipment on each day of use. The purpose of routine checking is to ensure that the equipment is working properly, that its calibration has not noticeably changed, and that its transducers and connections are free from any defect that might adversely affect the test result. The checking procedures should be carried out with the audiometer set up in its usual working situation. The most important elements in daily performance checks are the subjective tests and these tests can only be successfully carried out by an operator with unimpaired and preferably known good hearing. If a booth or separate test room is used, the equipment should be checked as installed; an assistant may be required in order to carry out the procedures. The checks will then cover the inter-connections between the audiometer and the equipment in the booth, and all connecting leads, plugs, and socket connections at the junction box (sound room wall) should be examined as potential sources of intermittency or incorrect connection. The ambient noise conditions during the tests should not be substantially worse than those encountered when the equipment is in use. 1) Clean and examine the audiometer and all accessories. 2) Check earphone cushions, plugs, main leads and accessory leads for signs of wear or damage.

Damaged or badly worn parts should be replaced. 3) Switch on equipment and leave for the recommended warm-up time. Carry out any set-up

adjustments as specified. On battery-powered equipment, check battery state using the manufacturer’s specified method. Switch on equipment and leave for the recommended warm-up time. If no warm-up period is quoted, allow 5 min for circuits to stabilize. Carry out any setting-up adjustments as specified. On battery-powered equipment, check battery state.

4) Check that earphone and bone vibrator serial numbers are correct for use with the audiometer. 5) Check that audiometer output is approximately correct on both air and bone conduction by

conducting a simplified audiogram on a known test subject with known hearing; check for any change.

6) Check at high level (for example hearing levels of 60 dB on air conduction and 40 dB on bone conduction) on all appropriate functions (and on both earphones) at all frequencies used; listen for proper functioning, absence of distortion, freedom from clicks, etc.

7) Check all earphones (including masking transducer) and the bone vibrator for absence of distortion and intermittency; check plugs and leads for intermittency.

8) Check that all switch knobs are secure and that indicators work correctly. 9) Check that the subject’s signal system operates correctly. 10) Listen at low levels for any sign of noise, hum, or unwanted sounds (break-through arising when a

signal is introduced in another channel) or for any change in tone quality as masking is introduced. 11) Check that attenuators do attenuate the signals over their full range and that attenuators which are

intended to be operated while a tone is being delivered are free from electrical or mechanical noise. 12) Check that controls operate silently and that no noise radiated from the audiometer is audible at the

subject’s position. 13) Check subject communication speech circuits, if appropriate, applying procedures similar to those

used for pure-tone function. 14) Check tension of headset headband and bone vibrator headband. Ensure that swivel joints are free

to return without being excessively slack. 15) Check headbands and swivel joints on noise-excluding headsets for signs of wear strain or metal

fatigue. The instrument had been designed to provide many years of reliable service, but annual calibration is recommended due to possible impact on transducers. We also required –recalibrating of the instrument; if something drastic happens to a part of it (e.g. headset or bone conductor is dropped on a hard surface).


Calibration procedure is available in service manual which is available on request. NOTICE Great care should be exercised by the handling of earphones and other transducers, as mechanical shock may cause change of calibration. 4.2 How to clean Interacoustics products If the surface of the instrument or parts of it are contaminated, it can be cleaned using a soft cloth moistened with a mild solution of water and dish washing cleaner or similar. The use of organic solvents and aromatic oils must be avoided. Always disconnect the USB cable during the cleaning process, and be careful that no fluid is entering the inside of the instrument or the accessories.

• Before cleaning always switch off and disconnect from power • Use a soft cloth lightly dampened with cleaning solution to clean all exposed surfaces • Do not allow liquid to come in contact with the metal parts inside the earphones / headphones • Do not autoclave, sterilize or immerse the instrument or accessory in any fluid • Do not use hard or pointed objects to clean any part of the instrument or accessory • Do not let parts that have been in contact with fluids dry before cleaning • Rubber ear-tips or foam ear-tips are single use components

Recommended cleaning and disinfection solutions:

• Warm water with mild, nonabrasive cleaning solution (soap)

Procedure: • Clean the instrument by wiping outer case with a lint free cloth lightly dampened in cleaning

solution • Clean cushions and patient hand switch and other parts with a lint free cloth lightly dampened in

cleaning solution • Make sure not to get moisture in the speaker portion of the earphones and similar parts

4.3 Concerning repair Interacoustics is only considered to be responsible for the validity of the CE marking, effects on safety, reliability and performance of the equipment if:

1. assembly operations, extensions, readjustments, modifications or repairs are carried out by authorised persons,

2. a 1 year service interval is maintained 3. the electrical installation of the relevant room complies with the appropriate requirements, and 4. the equipment is used by authorised personnel in accordance with the documentation supplied by

Interacoustics.

The customer shall reach out to the local distributor to determine the service/repair possibilities including onsite service/repair. It is important that the customer (through local distributor) fills out the RETURN REPORT every time when the component/product is sent for service/repair to Interacoustics. 4.4 Warranty Interacoustics warrants that:

• The AD629 is free from defects in material and workmanship under normal use and service for a period of 12 months from the date of delivery by Interacoustics to the first purchaser

• Accessories are free from defects in material and workmanship under normal use and service for a period of ninety (90) days from the date of delivery by Interacoustics to the first purchaser


If any product requires service during the applicable warranty period, please communicate directly with your local Interacoustics service centre to determine the appropriate repair facility. Repair or replacement will be carried out at Interacoustics’ expense, subject to the terms of this warranty. The product requiring service should be returned promptly, properly packed, and postage prepaid. Loss or damage in return shipment to Interacoustics shall be at purchaser's risk. In no event shall Interacoustics be liable for any incidental, indirect or consequential damages in connection with the purchase or use of any Interacoustics product. This shall apply solely to the original purchaser. This warranty shall not apply to any subsequent owner or holder of the product. Furthermore, this warranty shall not apply to, and Interacoustics shall not be responsible for, any loss arising in connection with the purchase or use of any Interacoustics product that has been:

• repaired by anyone other than an authorized Interacoustics service representative; • altered in any way so as, in Interacoustics judgement, to affect its stability or reliability; • subject to misuse or negligence or accident, or which has had the serial or lot number altered,

effaced or removed; or • improperly maintained or used in any manner other than in accordance with the instructions

furnished by Interacoustics.

This warranty is in lieu of all other warranties, express or implied, and of all other obligations or liabilities of Interacoustics, and Interacoustics does not give or grant, directly or indirectly, the authority to any representative or other person to assume on behalf of Interacoustics any other liability in connection with the sale of Interacoustics products. INTERACOUSTICS DISCLAIMS ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FOR FUNCTION OF FITNESS FOR A PARTICULAR PURPOSE OR APPLICATION.



5 General technical specifications AD629 technical specification

Safety Standards IEC 60601-1, ES60601-1, CAN/CSA-C22.2 No.60601-1 Class I, Applied parts type B, Continuous operation

EMC Standard IEC 60601-1-2:2001 + A1:2004

Audiometer Standards Tone Audiometer: IEC 60645 -1, ANSI S3.6 -2010, Type 2, HF IEC 60645-4. Speech Audiometer: IEC 60645-2/ANSI S3.6 type B or B-E. Auto threshold tests: ISO 8253-1

Calibration Calibration information and instructions is located in the AD629 Service manual

Air Conduction

DD45: PTB/DTU report 2009 TDH39: ISO 389-1 1998, ANSI S3.6-2010 HDA300: PTB report PTB 1.61 – 4064893/13 HDA280 PTB report 2004 DD65 v2 PTB 1.61-4091606 2018 & AAU 2018 E.A.R Tone 3A/5A: ISO 389-2 1994, ANSI S3.6-2010 IP 30: ISO 389-2 1994, ANSI S3.6-2010 DES-2361

Bone Conduction

B71: ISO 389-3 1994, ANSI S3.6-2010 Placement: Mastoid

Free Field ISO 389-7 2005, ANSI S3.6-2010

High Frequency

ISO 389-5 2004, ANSI S3.6-2010

Effective masking

ISO 389-4 1994, ANSI S3.6-2010

Transducers DD45 Headband Static Force 4.5N ±0.5N TDH39 Headband Static Force 4.5N ±0.5N HDA300 Headband Static Force 4.5N ±0.5N HDA280 Headband Static Force 5N ±0.5N DD450 Headband Static Force 10N ±0.5N DD65 v2 Headband Static Force 10N ±0.5N B71 Bone Headband Static Force 5.4N ±0.5N E.A.R Tone 3A/5A: IP30

Patient Response switch One hand held push button.

Patient communication Talk Forward (TF) and Talk Back (TB).

Monitor Output through built-in speaker or through external earphone or speaker.


Special tests/test battery SISI. ABLB. Stenger. Stenger Speech. Langenbeck (tone in noise). Békésy Test. Weber. 2 channel speech, 2 channels Master Hearing Aid, Auto threshold. Auto threshold tests: Available time for patient to respond: Same as tone presentation Increment of hearing level: 5dB.

Auto threshold test (Békésy): Mode of operation: Békésy Rate of level change: 2.5 dB/s ±20% Smallest increment of level: 0.5 dB

Stimuli

Tone 125-20000Hz separated in two ranges 125-8000Hz and 8000-20000Hz.

Resolution 1/2-1/24 octave.

Warble Tone 1-10 Hz sine +/- 5% modulation

Wave file 44100Hz sampling, 16 bits, 2 channels

Masking Automatic selection of narrow band noise (or white noise) for tone presentation and speech noise for speech presentation.

Narrow band noise: IEC 60645-1:2001, 5/12 Octave filter with the same centre frequency resolution as pure Tone.

White noise: 80-20000Hz measured with constant bandwidth

Speech Noise. IEC 60645-2:1993 125-6000Hz falling 12dB/octave above 1KHz +/-5dB

Presentation Manual or Reverse. Single or multiple pulses.

Intensity Check the accompanying Appendix

Available Intensity Steps is 1, 2 or 5dB

Extended range function: If not activated, the Air Conduction output will be limited to 20 dB below maximum output.

Frequency range

125Hz to 8kHz (Optional High Frequency: 8 kHz to 20 kHz) 125Hz, 250Hz, 750Hz, 1500Hz and 8kHz may freely be deselected


Speech Frequency Response:

(Typical) Frequecy (Hz)

Linear (dB) Ext sign1 Int. Sign2

FFequv (dB Ext sign1 Int.

Sign2 TDH39 (IEC 60318-3 Coupler)

125-250 250-4000 4000-6300

+0/-2 +2/-2 +1/-0

+0/-2 +2/-1 +1/-0

+0/-8 +2/-2 +1/-0

+0/-8 +2/-2 +1/-0

DD65v2 (IEC 60645-1 Coupler)

125-250 250-4000 4000-6300

+0/-2 +1/-1

+0/-2

+1/-0 +1/-1

+0/-2

+0/- +2/-2

+1/-1

+0/-7 +2/-3

+1/-1

E.A.R Tone 3A (IEC 60318-5 Coupler)

250-4000

+2/-3

+4/-1

(Non linear)

IP 30 (IEC 60318-5 Coupler)

250-4000

+2/-3 +4/-1 (Non linear)

B71 Bone Conductor (IEC 60318-6 Coupler)

250-4000

+12/-12

+12/-12

(Non linear)

2% THD at 1000 Hz max output +9 dB (increasing at lower frequency) Level range: -10 to 50 dB HL

1. Ext. sign: CD input 2. Int. sign: Wave files

External signal Speech replaying equipment connected to the CD input must have a signal-to-noise ratio of 45 dB or higher. The speech material used must include a calibration signal suitable for adjusting the input to 0 dBVU.

Free Field Power amplifier and loudspeakers With an input of 7 Vrms - Amplifier and loudspeakers must be able to create a Sound Pressure Level of 100 dB in a distance of 1 meter - and meet the following requirements: Frequency Response 125-250 Hz +0/-10 dB 250-4000 Hz ±3 dB 4000-6300 Hz ±5 dB

Total Harmonic Distortion 80 dB SPL < 3% 100 dB SPL < 10%

Internal storage 1000 clients / 50.000 sessions


Signal Indicator(VU) Time weighting: 300mS Dynamic range: 23dB Rectifier characteristics: RMS

Selectable inputs are provide with an attenuator by which the level can be adjusted to the indicator reference position(0dB)

Data Connections (sockets)

4 x USB A (compatible with USB 1.1 and later) 1 x USB B (compatible with USB 1.1 and later) 1 x LAN Ethernet

External devices (USB) Standard PC mouse and keyboard (for data entry) Supported printers: Standard PCL3 printers (HP, Epson, Canon)

Input Specifications TB 100uVrms at max. gain for 0dB reading Input impedance : 3.2KOhm

Mic.2 100uVrms at max. gain for 0dB reading Input impedance : 3.2KOhm

CD 7mVrms at max. gain for 0dB reading Input impedance : 47KOhm

TF (side panel) 100uVrms at max. gain for 0dB reading Input impedance : 3.2KOhm

TF (front panel) 100uVrms at max. gain for 0dB reading Input impedance : 3.2KOhm

Wave files Plays wave file from hard disk drive

Output Specifications FF1 & 2 7Vrms at min. 2KOhm load 60-20000Hz -3dB

Left & Right 7Vrms at 10 Ohms load 60-20000Hz -3dB

Ins. Left & Right 7Vrms at 10 Ohms load 60-20000Hz -3dB

Bone 7Vrms at 10 Ohms load 60-10000Hz -3dB

Ins. Mask 7Vrms at 10 Ohms load 60-20000Hz -3dB

Monitor(side panel)

2x 3Vrms at 32 Ohms / 1.5Vrms at 8 Ohms load 60-20000Hz -3dB

Display 5,7 inch high resolution color display 640x480 pixels

Compatible software Diagnostic Suite - Noah, OtoAccess and XML compatible

Dimensions (LxWxH) 36.5 x 29.5 x 6.5 cm / 14.4 x 11.6 x 2.6 inches


Weight 3.3kg/6.3lb

Power supply 100-240 V~, 50-60Hz max 0.5A

Operation environment Temperature: 15-35°C Re. Humidity: 30-90% Non condensing

Transport and storage Transport temperature: -20-50°C Storage temperature: 0-50°C Re. Humidity: 10-95% Non condensing

5.1 Reference equivalent threshold values for transducers See Appendix in English in the back of the manual. 5.2 Maximum hearing level settings provided at each test frequency See Appendix in English in the back of the manual.

5.3 Pin assignments See Appendix in English in the back of the manual. 5.4 Electromagnetic compatibility (EMC) See Appendix in English in the back of the manual.

Return Report – Form 001

Opr. dato: af:

2014-03-07 EC Rev. dato: af:

MSt Rev. nr.:

4

Company:

Address:

Phone:

Fax or e-mail:

Address

10393 West 70th Street

Prairie

MN 55344

USA

Phone

(+1) 800 947 6334 Fax

(+1) 952 903 4200 E-mail

[email protected]

Contact person: Date:

Following item is reported to be:

returned to INTERACOUSTICS for: repair, exchange, other:

defective as described below with request of assistance

repaired locally as described below

showing general problems as described below

Item: Type: Quantity:

Serial No.: Supplied by:

Included parts:

Important! - Accessories used together with the item must be included if returned (e.g. external power supply, headsets, transducers and couplers).

Description of problem or the performed local repair:

Returned according to agreement with: Interacoustics, Other :

Date : Person :

Please provide e-mail address or fax No. to whom Interacoustics may confirm reception of the returned goods:

The above mentioned item is reported to be dangerous to patient or user 1

In order to ensure instant and effective treatment of returned goods, it is important that this form is filled in and placed together with the item. Please note that the goods must be carefully packed, preferably in original packing, in order to avoid damage during transport. (Packing material may be ordered from Interacoustics)

1

EC Medical Device Directive rules require immediate report to be sent, if the device by malfunction

deterioration of performance or characteristics and/or by inadequacy in labelling or instructions for use, has

caused or could have caused death or serious deterioration of health to patient or user.Page 1 of 1

mailto:[email protected]

AD629 - Interacoustics

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